Index: term_ps.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/term_ps.c,v
retrieving revision 1.62
diff -u -p -r1.62 term_ps.c
--- term_ps.c	1 Aug 2014 19:25:52 -0000	1.62
+++ term_ps.c	9 Aug 2014 16:59:03 -0000
@@ -1145,6 +1145,9 @@ ps_hspan(const struct termp *p, const st
 	case SCALE_VS:
 		r = su->scale * p->ps->lineheight;
 		break;
+	case SCALE_BU:
+		r = PNT2AFM(p, su->scale / 3.0);
+		break;
 	default:
 		r = su->scale;
 		break;
Index: term_ascii.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/term_ascii.c,v
retrieving revision 1.27
diff -u -p -r1.27 term_ascii.c
--- term_ascii.c	1 Aug 2014 19:25:52 -0000	1.27
+++ term_ascii.c	9 Aug 2014 16:59:04 -0000
@@ -255,6 +255,9 @@ ascii_hspan(const struct termp *p, const
 	case SCALE_VS:
 		r = su->scale * 2.0 - 1.0;
 		break;
+	case SCALE_BU:
+		r = su->scale / 24.0;
+		break;
 	default:
 		r = su->scale;
 		break;
Index: term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/term.c,v
retrieving revision 1.226
diff -u -p -r1.226 term.c
--- term.c	1 Aug 2014 19:38:29 -0000	1.226
+++ term.c	9 Aug 2014 16:59:04 -0000
@@ -786,6 +786,9 @@ term_vspan(const struct termp *p, const 
 	case SCALE_VS:
 		r = su->scale;
 		break;
+	case SCALE_BU:
+		r = su->scale / 24.0;
+		break;
 	default:
 		r = su->scale - 1.0;
 		break;
Index: html.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/html.c,v
retrieving revision 1.159
diff -u -p -r1.159 html.c
--- html.c	23 Jul 2014 15:00:08 -0000	1.159
+++ html.c	9 Aug 2014 16:59:04 -0000
@@ -761,6 +761,8 @@ bufcat_su(struct html *h, const char *p,
 	v = su->scale;
 	if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
 		v = 1.0;
+	if (SCALE_BU == su->unit)
+		v /= 24.0;
 
 	bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
 }